Oct 12 18:28:27.961 INFO checking lethe2211/iron_sample against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:28:27.961 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 18:28:28.392 INFO blam! 12caa0a12d3a985bcf5d3ad607b0fcf78a57971cd107b4c378937e84b0a6cb32
Oct 12 18:28:28.398 INFO running `"docker" "start" "-a" "12caa0a12d3a985bcf5d3ad607b0fcf78a57971cd107b4c378937e84b0a6cb32"`
Oct 12 18:28:29.668 INFO kablam! usermod: no changes
Oct 12 18:28:29.844 INFO kablam!    Compiling openssl v0.9.11
Oct 12 18:28:29.844 INFO kablam!     Checking serde v1.0.2
Oct 12 18:28:29.844 INFO kablam!    Compiling openssl-sys v0.9.11
Oct 12 18:28:29.844 INFO kablam!     Checking iron v0.5.1
Oct 12 18:28:32.168 INFO kablam!     Checking router v0.5.1
Oct 12 18:28:41.588 INFO kablam!     Checking native-tls v0.1.2
Oct 12 18:28:42.497 INFO kablam!     Checking hyper-native-tls v0.2.2
Oct 12 18:28:46.314 INFO kablam!     Checking serde_json v1.0.1
Oct 12 18:28:48.664 INFO kablam!     Checking iron_example v0.1.0 (/source)
Oct 12 18:28:50.891 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 18:28:50.892 INFO kablam!  --> src/main.rs:7:5
Oct 12 18:28:50.892 INFO kablam!   |
Oct 12 18:28:50.893 INFO kablam! 7 | use std::collections::HashMap;
Oct 12 18:28:50.893 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:28:50.894 INFO kablam!   |
Oct 12 18:28:50.894 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:28:50.895 INFO kablam! 
Oct 12 18:28:50.895 INFO kablam! warning: unused import: `std::convert::From`
Oct 12 18:28:50.896 INFO kablam!  --> src/main.rs:9:5
Oct 12 18:28:50.896 INFO kablam!   |
Oct 12 18:28:50.897 INFO kablam! 9 | use std::convert::From;
Oct 12 18:28:50.897 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:28:50.898 INFO kablam! 
Oct 12 18:28:50.898 INFO kablam! warning: unused import: `Handler`
Oct 12 18:28:50.899 INFO kablam!   --> src/main.rs:17:12
Oct 12 18:28:50.899 INFO kablam!    |
Oct 12 18:28:50.900 INFO kablam! 17 | use iron::{Handler};
Oct 12 18:28:50.900 INFO kablam!    |            ^^^^^^^
Oct 12 18:28:50.900 INFO kablam! 
Oct 12 18:28:50.900 INFO kablam! warning: unused import: `Error`
Oct 12 18:28:50.900 INFO kablam!   --> src/main.rs:22:25
Oct 12 18:28:50.900 INFO kablam!    |
Oct 12 18:28:50.904 INFO kablam! 22 | use serde_json::{Value, Error};
Oct 12 18:28:50.904 INFO kablam!    |                         ^^^^^
Oct 12 18:28:50.904 INFO kablam! 
Oct 12 18:28:51.028 INFO kablam! warning: unused variable: `res`
Oct 12 18:28:51.029 INFO kablam!   --> src/main.rs:39:17
Oct 12 18:28:51.029 INFO kablam!    |
Oct 12 18:28:51.029 INFO kablam! 39 |         let mut res = client.get(url)
Oct 12 18:28:51.029 INFO kablam!    |                 ^^^ help: consider using `_res` instead
Oct 12 18:28:51.030 INFO kablam!    |
Oct 12 18:28:51.030 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:28:51.030 INFO kablam! 
Oct 12 18:28:51.030 INFO kablam! warning: unused variable: `query`
Oct 12 18:28:51.030 INFO kablam!   --> src/main.rs:52:17
Oct 12 18:28:51.030 INFO kablam!    |
Oct 12 18:28:51.030 INFO kablam! 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Oct 12 18:28:51.030 INFO kablam!    |                 ^^^^^ help: consider using `_query` instead
Oct 12 18:28:51.030 INFO kablam! 
Oct 12 18:28:51.034 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:28:51.034 INFO kablam!   --> src/main.rs:39:13
Oct 12 18:28:51.034 INFO kablam!    |
Oct 12 18:28:51.034 INFO kablam! 39 |         let mut res = client.get(url)
Oct 12 18:28:51.034 INFO kablam!    |             ----^^^
Oct 12 18:28:51.034 INFO kablam!    |             |
Oct 12 18:28:51.034 INFO kablam!    |             help: remove this `mut`
Oct 12 18:28:51.034 INFO kablam!    |
Oct 12 18:28:51.034 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:28:51.034 INFO kablam! 
Oct 12 18:28:51.120 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 18:28:51.120 INFO kablam!  --> src/main.rs:7:5
Oct 12 18:28:51.120 INFO kablam!   |
Oct 12 18:28:51.120 INFO kablam! 7 | use std::collections::HashMap;
Oct 12 18:28:51.120 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:28:51.120 INFO kablam!   |
Oct 12 18:28:51.120 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:28:51.120 INFO kablam! 
Oct 12 18:28:51.120 INFO kablam! warning: unused import: `std::convert::From`
Oct 12 18:28:51.120 INFO kablam!  --> src/main.rs:9:5
Oct 12 18:28:51.120 INFO kablam!   |
Oct 12 18:28:51.120 INFO kablam! 9 | use std::convert::From;
Oct 12 18:28:51.120 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 18:28:51.121 INFO kablam! 
Oct 12 18:28:51.121 INFO kablam! warning: unused import: `Handler`
Oct 12 18:28:51.121 INFO kablam!   --> src/main.rs:17:12
Oct 12 18:28:51.121 INFO kablam!    |
Oct 12 18:28:51.121 INFO kablam! 17 | use iron::{Handler};
Oct 12 18:28:51.121 INFO kablam!    |            ^^^^^^^
Oct 12 18:28:51.121 INFO kablam! 
Oct 12 18:28:51.121 INFO kablam! warning: unused import: `Error`
Oct 12 18:28:51.121 INFO kablam!   --> src/main.rs:22:25
Oct 12 18:28:51.121 INFO kablam!    |
Oct 12 18:28:51.121 INFO kablam! 22 | use serde_json::{Value, Error};
Oct 12 18:28:51.121 INFO kablam!    |                         ^^^^^
Oct 12 18:28:51.121 INFO kablam! 
Oct 12 18:28:51.216 INFO kablam! warning: unused variable: `res`
Oct 12 18:28:51.216 INFO kablam!   --> src/main.rs:39:17
Oct 12 18:28:51.216 INFO kablam!    |
Oct 12 18:28:51.216 INFO kablam! 39 |         let mut res = client.get(url)
Oct 12 18:28:51.216 INFO kablam!    |                 ^^^ help: consider using `_res` instead
Oct 12 18:28:51.216 INFO kablam!    |
Oct 12 18:28:51.216 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:28:51.216 INFO kablam! 
Oct 12 18:28:51.216 INFO kablam! warning: unused variable: `query`
Oct 12 18:28:51.216 INFO kablam!   --> src/main.rs:52:17
Oct 12 18:28:51.216 INFO kablam!    |
Oct 12 18:28:51.216 INFO kablam! 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Oct 12 18:28:51.216 INFO kablam!    |                 ^^^^^ help: consider using `_query` instead
Oct 12 18:28:51.216 INFO kablam! 
Oct 12 18:28:51.222 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:28:51.222 INFO kablam!   --> src/main.rs:39:13
Oct 12 18:28:51.222 INFO kablam!    |
Oct 12 18:28:51.222 INFO kablam! 39 |         let mut res = client.get(url)
Oct 12 18:28:51.223 INFO kablam!    |             ----^^^
Oct 12 18:28:51.223 INFO kablam!    |             |
Oct 12 18:28:51.223 INFO kablam!    |             help: remove this `mut`
Oct 12 18:28:51.223 INFO kablam!    |
Oct 12 18:28:51.223 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:28:51.223 INFO kablam! 
Oct 12 18:28:51.272 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.58s
Oct 12 18:28:51.289 INFO kablam! su: No module specific data is present
Oct 12 18:28:52.892 INFO running `"docker" "rm" "-f" "12caa0a12d3a985bcf5d3ad607b0fcf78a57971cd107b4c378937e84b0a6cb32"`
Oct 12 18:28:53.249 INFO blam! 12caa0a12d3a985bcf5d3ad607b0fcf78a57971cd107b4c378937e84b0a6cb32